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Hall Effect Switch, Switch, 42 G, 32 G, 2.4 V, 5.5 V, SOT-23

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A3213ELHLT-T   Datasheet
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Product Overview

The A3213ELHLT-T is a micropower ultra sensitive pole independent hall effect switch with latched digital output in 3 pin SOT-23W package. Improved stability is made possible through chopper stabilization (dynamic offset cancellation) which reduces residual offset voltage caused by device overmoulding, temperature dependencies and thermal stress. The A3213 includes hall voltage generator, small signal amplifier, chopper stabilization, latch and MOSFET output on a single silicon chip. Advanced BiCMOS process is used to take advantage of component matching, very low input offset errors, small component geometries, low voltage and low power requirements. The north or south pole of sufficient strength will turn output on and in the absence of magnetic field, the output is off. The polarity independence and minimal power requirement allows this device to easily replace reed switches for superior reliability and ease of manufacturing while eliminating requirement for signal conditioning.
  • Automotive grade AEC-Q100 qualified
  • Supply voltage range from 2.4V to 5.5V
  • Superior temperature stability and extremely low switchpoint drift
  • Operating power of 825µW at 2.75V and supply current (IDD(AVG)) of 309µA
  • Insensitive to physical stress
  • High ESD protection
  • Small size, solid state reliability
  • Chopping frequency (fc) of 340KHz and duty cycle of 25%
  • Easy assembly into applications due to magnetic pole independence
  • Operating ambient temperature range from -40°C to 85°C


Sensing & Instrumentation, Automotive, Consumer Electronics, Portable Devices


ESD sensitive device, take proper precaution while handling the device. Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

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Technical Documents (2)

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CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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Back order today stock arriving week commencing 11/3/23

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